Write the augmented matrix for the system.
?
A. 
B. 
C. 
D. 
Answer: A
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Which of the following is true about the following figure?
? x
x + 6 
? y ?
?
A. ?The perimeter is: 18(x + 6). B. ?The value of x is 18. C. ?The value of x + 6 is 12. D. ?The value of y is x + 6. E. ?Both b and d are true.
Perform the indicated operation and simplify. Assume all variables represent positive real numbers.
A. 2xy6
B. 2xy5
C. 2xy9
D. 4xy7
Use the 1's complement method to subtract the following binary numbers.
A. -110100 B. -1001010 C. -1000110 D. -1001000 E. -101110
Suppose ABC is a right triangle with sides of lengths a, b, and c and right angle at C. Find the unknown side length using the Pythagorean theorem and then find the value of the indicated trigonometric function of the given angle. Rationalize the denominator if applicable.Find sin A when b = 30 and c = 50
A. 
B. 
C. 
D. 